816643828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:618

約数の個数: 144

約数和(自身を含む): 1999589760

約数和(自身を除く): 1182945932

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 29, 44, 52, 58, 77, 91, 116, 143, 154, 169, 182, 203, 286, 308, 319, 338, 364, 377, 406, 541, 572, 638, 676, 754, 812, 1001, 1082, 1183, 1276, 1508, 1859, 2002, 2164, 2233, 2366, 2639, 3718, 3787, 4004, 4147, 4466, 4732, 4901, 5278, 5951, 7033, 7436, 7574, 8294, 8932, 9802, 10556, 11902, 13013, 14066, 15148, 15689, 16588, 19604, 23804, 26026, 28132, 29029, 31378, 34307, 41657, 49231, 52052, 53911, 58058, 62756, 68614, 77363, 83314, 91429, 98462, 107822, 109823, 116116, 137228, 154726, 166628, 172579, 182858, 196924, 203957, 215644, 219646, 309452, 345158, 365716, 377377, 407914, 439292, 541541, 640003, 690316, 754754, 815828, 1005719, 1083082, 1208053, 1280006, 1427699, 1509508, 2011438, 2166164, 2243527, 2416106, 2560012, 2651441, 2855398, 4022876, 4487054, 4832212, 5302882, 5710796, 7040033, 8974108, 10605764, 14080066, 15704689, 18560087, 28160132, 29165851, 31409378, 37120174, 58331702, 62818756, 74240348, 116663404, 204160957, 408321914, 816643828]

約数ペア:

[(1, 816643828), (2, 408321914), (4, 204160957), (7, 116663404), (11, 74240348), (13, 62818756), (14, 58331702), (22, 37120174), (26, 31409378), (28, 29165851), (29, 28160132), (44, 18560087), (52, 15704689), (58, 14080066), (77, 10605764), (91, 8974108), (116, 7040033), (143, 5710796), (154, 5302882), (169, 4832212), (182, 4487054), (203, 4022876), (286, 2855398), (308, 2651441), (319, 2560012), (338, 2416106), (364, 2243527), (377, 2166164), (406, 2011438), (541, 1509508), (572, 1427699), (638, 1280006), (676, 1208053), (754, 1083082), (812, 1005719), (1001, 815828), (1082, 754754), (1183, 690316), (1276, 640003), (1508, 541541), (1859, 439292), (2002, 407914), (2164, 377377), (2233, 365716), (2366, 345158), (2639, 309452), (3718, 219646), (3787, 215644), (4004, 203957), (4147, 196924), (4466, 182858), (4732, 172579), (4901, 166628), (5278, 154726), (5951, 137228), (7033, 116116), (7436, 109823), (7574, 107822), (8294, 98462), (8932, 91429), (9802, 83314), (10556, 77363), (11902, 68614), (13013, 62756), (14066, 58058), (15148, 53911), (15689, 52052), (16588, 49231), (19604, 41657), (23804, 34307), (26026, 31378), (28132, 29029)]